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4.5.5 The d.c. motor

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Question 2

In a simple d.c. electric motor, which of the following changes will reverse the direction of rotation of the coil?

A

reversing the connections to the power supply

B

using a power supply with a lower voltage

C

reducing the number of turns on the coil

D

replacing the permanent magnets with weaker ones

Markscheme

4.5.5 The d.c. motor Questions

  1. IGCSE
  2. /Physics
  3. /4.5.5 The d.c. motor

31 exam-style questions on CIE IGCSE Physics 4.5.5 The d.c. motor. Each one has a worked solution and a mark scheme showing where the marks go.

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